#region Apache License
//
// Licensed to the Apache Software Foundation (ASF) under one or more 
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership. 
// The ASF licenses this file to you under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with 
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion


using System;
using System.Drawing;
using System.Drawing.Drawing2D;

using IPSim.Util;

namespace IPSim.GUI.Devices
{
    public class ConnectorDevice : RectangleDevice, IControllable 
    {
        #region Members

        private ConnectorDeviceController controller;
        private BaseDevice parentDevice;
        private BaseLinkDevice connectedLink = null;


        #endregion

        #region Methods

        public ConnectorDevice(BaseDevice device): base(0,0,0,0)
        {
            parentDevice = device;
            FillColor = Color.LightGray;
            BorderColor = Color.LightGray;
        }

        
        internal void ConnectLink(BaseLinkDevice link)
        {
            connectedLink = link;
        }

        internal void DisconnectLink(BaseLinkDevice link)
        {
            if (connectedLink == link)
            {
                connectedLink = null;
            }
            else
                Logger.log("Bad DisconnectLink() call. Caller is NOT connected!");
        }

        IController IControllable.GetController()
        {
            if (controller == null)
                controller = new ConnectorDeviceController(this);
            return controller;
        }

        #endregion

        #region Properties

        public BaseDevice ParentDevice
        {
            get
            {
                return parentDevice;
            }
        }

        public bool IsConnected
        {
            get 
            {
                return (connectedLink != null);
            }
        }

        public BaseLinkDevice ConnectedLink
        {
            get
            {
                return connectedLink;
            }
        }
        #endregion

        #region Events


        #endregion

    }
}
